When your currently equipped tool "breaks" in Minecraft, Auto Tool Replace finds a similar tool in your inventory and automatically replaces it in the equipped spot.

The current version of Excavation doesn't work with auto tool replace. For example, when you break a pickaxe mining using Excavation, your hand remains empty even if you have another pickaxe in your inventory.

I know other excavation programs like OreExcavation and VeinMining work with it.

Are you using version 1.18.2 of minecraft? I tried testing the auto tool replace mod and I get a crash on 1.18.2 which is the version of minecraft that my mod is made for. Please confirm this and reply to the issue letting me know

I'm using Minecraft version 1.18.2, Forge version 40.0.1.0

Mods:
autotoolreplace-1.2 (which is for 1.18.1, but seems to work fine in 1.18.2)
excacvation-1.18-1.7.2
blockui-1.18.2-0.0.47-ALPHA
domum_ornamentum-1.18.2-1.0.50-ALPHA-universal
FallingTree-1.18.2-3.4.2
jei-1.18.2-9.7.0.193
journeymap-1.18.2-5.8.1-forge
minecolonies-1.18.2-1.0.654-ALPHA
multi-piston-1.18.2-1.2.3-ALPHA
OptiFine_1.18.2_HD_U_H7
structurize-1.18.2-1.0.389-RELEASE

I may be getting errors at startup (I don't notice since Mojang screen blocks startup log info), but my world is not crashing and each mod seems to work.
I'm using GDLauncher (https://gdevs.io/) to manage my Minecraft instance.
Want me to try a new instance with just the two mods to eliminate any other possible issues?